underhandedly
In sneaky fashion
In a sneaky or deceitful manner, through methods that are dishonest or secretive: He underhandedly spread rumors to sabotage his rival.
The word implies deliberate concealment of one's true motives or actions.
See also underhanded.
In a lying manner
- fraudulentlyThrough intentional dishonesty
- misleadinglyIn a deceiving way
- duplicitouslyWith deliberate dishonesty
- dishonestlyIn an untruthful manner
falsely · treacherously · perfidiously · untruthfully · insincerely · disingenuously · guilefully · double-dealing
In a crafty manner
- craftilyIn a scheming manner
- cunninglyWith sly cleverness
- wililyWith shrewd deception
- shrewdlyWith keen discernment
artfully · deviously · sneakily · insidiously · calculatingly · schemingly · manipulatively · subtly
In a hidden manner
- surreptitiouslyIn a hidden manner
- furtivelyIn a secretive manner
- stealthilyIn a covert manner
- secretivelyIn concealed fashion
sub rosa · behind closed doors · under the table · under the radar · in secret · on the sly · behind the scenes · in the shadows
In a venal manner
- unethicallyWithout moral principles
- dishonorablyIn shameful manner
- immorallyWithout moral principles
- shadilyIn a dishonest manner
crookedly · nefariously · villainously · wrongfully · wickedly · reprehensibly · contemptibly · basely
deceitfully
In a lying manner
- fraudulentlyThrough intentional dishonesty
- misleadinglyIn a deceiving way
- duplicitouslyWith deliberate dishonesty
dishonestly · falsely · treacherously · perfidiously · untruthfully · insincerely · disingenuously · guilefully · double-dealing · deceptively
slyly
In a crafty manner
shrewdly · artfully · deviously · sneakily · insidiously · calculatingly · schemingly · manipulatively · subtly · cleverly
clandestinely
In a hidden manner
- surreptitiouslyIn a hidden manner
- furtivelyIn a secretive manner
- stealthilyIn a covert manner
secretively · sub rosa · behind closed doors · under the table · under the radar · in secret · on the sly · behind the scenes · in the shadows · hush-hush
corruptly
In a venal manner
- unethicallyWithout moral principles
- dishonorablyIn shameful manner
- immorallyWithout moral principles
shadily · crookedly · nefariously · villainously · wrongfully · wickedly · reprehensibly · contemptibly · basely · despicably
underhandedlyopenly
Without hiding anything
honestly · transparently · forthrightly · candidly · aboveboard
underhandedlyfairly
Moderately or equitably
honorably · ethically · scrupulously · trustworthily · justly
underhandedlyartlessly
Without cunning or pretense
guilelessly · ingenuously · guileless · innocently · naturally